Pulmonary deposition of calcium phosphate crystals as a complication of home total parenteral nutrition. 1989

J B Knowles, and G Cusson, and M Smith, and M D Sitrin
Department of Medicine, University of Chicago, Illinois.

A patient on home total parenteral nutrition (TPN) developed a diffuse granulomatous interstitial pneumonitis secondary to calcium phosphate deposition. Calcium and phosphorus concentrations in the TPN formula were not unusually high, indicating that other factors contributed to calcium phosphate crystallization. The effects of duration of storage of the TPN formulation, solution temperature, pH, and magnesium concentration on calcium phosphate precipitation are discussed.

UI MeSH Term Description Entries
D010289 Parenteral Nutrition, Total The delivery of nutrients for assimilation and utilization by a patient whose sole source of nutrients is via solutions administered intravenously, subcutaneously, or by some other non-alimentary route. The basic components of TPN solutions are protein hydrolysates or free amino acid mixtures, monosaccharides, and electrolytes. Components are selected for their ability to reverse catabolism, promote anabolism, and build structural proteins. Hyperalimentation, Parenteral,Intravenous Hyperalimentation,Nutrition, Total Parenteral,Parenteral Hyperalimentation,Total Parenteral Nutrition,Hyperalimentation, Intravenous
D011658 Pulmonary Fibrosis A process in which normal lung tissues are progressively replaced by FIBROBLASTS and COLLAGEN causing an irreversible loss of the ability to transfer oxygen into the bloodstream via PULMONARY ALVEOLI. Patients show progressive DYSPNEA finally resulting in death. Alveolitis, Fibrosing,Idiopathic Diffuse Interstitial Pulmonary Fibrosis,Fibroses, Pulmonary,Fibrosis, Pulmonary,Pulmonary Fibroses,Alveolitides, Fibrosing,Fibrosing Alveolitides,Fibrosing Alveolitis
D002130 Calcium Phosphates Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements. Phosphates, Calcium
D003460 Crystallization The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Crystalline Polymorphs,Polymorphism, Crystallization,Crystal Growth,Polymorphic Crystals,Crystal, Polymorphic,Crystalline Polymorph,Crystallization Polymorphism,Crystallization Polymorphisms,Crystals, Polymorphic,Growth, Crystal,Polymorph, Crystalline,Polymorphic Crystal,Polymorphisms, Crystallization,Polymorphs, Crystalline
D005260 Female Females
D006701 Home Nursing Nursing care given to an individual in the home. The care may be provided by a family member or a friend. Home nursing as care by a non-professional is differentiated from HOME CARE SERVICES provided by professionals: visiting nurse, home health agencies, hospital, or other organized community group. Home Care, Non-Professional,Nursing, Home,Home Care, Nonprofessional,Care, Non-Professional Home,Care, Nonprofessional Home,Home Care, Non Professional,Non-Professional Home Care,Nonprofessional Home Care
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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